Fairway Terminology InfoGuide
higher cutting heights than other fairway grasses. The nitrogen requirement, thatching
tendency, and irrigation needs are generally less than for bentgrass. The Kentucky
bluegrass used on fairways generally has fewer disease problems than bentgrass and
annual bluegrass.
Kentucky Bluegrass Polystands —
Kentucky bluegrass is typically combined with the fine-leafed fescues in the northern
part of the cool humid region. It is combined with perennial ryegrasses in the southern
part of the cool humid region. These polystands require a higher cutting height than
either annual bluegrass or bentgrass. Both the fine-leafed fescues and perennial
ryegrasses establish quicker than Kentucky bluegrass. The fine-leafed fescues lack heat
and disease tolerance needed to survive in the more southerly portions of the cool humid
region. Most perennial ryegrass cultivars are prone to low-temperature injury and snow
mold diseases in the more northerly portions of the cool humid region.
Lapping or Backlapping —
A method to simultaneously sharpen the cutting edges of the reel blades and bedknife.
Backlapping is done by reversing the rotation of the reel from the normal mowing
direction. A abrasive paste (slurry) is applied the to the rotating reel blades with a long
handled brush to aid in the sharpening process. There are different grit pastes and grades
depending on need.
Marcelling —
An unacceptable wavy or washboard pattern on the surface of mowed turfgrass.
Mismatch —
The difference in height of cut of two adjoining cutting units. This may occur
between units in a multiple cutting unit machine, or between passes by a single machine.
Mismatch is caused by dissimilar HOC settings or rollers that are not parallel to the reels.
Monostand —
A turf composed of one cultivar.
Mower Capacity —
The area cut in a given time period. It is commonly expressed in acres per hour.
Manufacturers often publish this information as part of the product specifications.
However, because specific applications ultimately determine the maximum mowing
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